Pterostylis oliveri
 
  • Pterostylis oliveri
    Pterostylis oliveri
    Old Coach Road, Arthur's Pass
    Photo: Kathleen Shepherd
  • Pterostylis oliveri
    Pterostylis oliveri
    Old Coach Road, Arthur's Pass
    Photo: Kathleen Shepherd
  • Pterostylis oliveri
    Pterostylis oliveri
    Old Coach Road, Arthur's Pass
    Photo: Kathleen Shepherd

 

Pterostylis oliveri
Oliver's Greenhood
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PLANT: Terrestrial tuberous herb.
10 to 30cm high when in flower. Robust. Stem sometimes bent.

LEAVES: Changing in shape from below upwards. Lower leaves oval to broadly elliptic 5-10 x 2-3cm. Upper leaves becoming narrower and more pointed.

FLOWER: Single. 4 - 5cm high. Green with white stripes. Dorsal sepal very long and strongly curled downward. Petals much shorter than the dorsal sepal. Lateral sepals very long and either erect or angled backward. Labellum narrowing to a triangular tip. Stigma long, oval and flat.

FLOWERING TIME: November to January.

HABITAT: Montane to sub-alpine open scrub and low bush from
Arthur's Pass north to Golden Bay.

CONSERVATION STATUS: Not Threatened. Locally common.

NOTES: The dominant Greenhood in the Arthur's Pass area.
     
     
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